code: def type_dict(cls) -> Dict[str, Any]:
      return {
          "int_column": int,
          "datetime_column": datetime,
          "array_column": np.ndarray,
      }
  
file_path: gokart/test/test_pandas_type_config.py
imports: from datetime import date, datetime
  from typing import Any, Dict
  from unittest import TestCase
  import numpy
  import pandas
  from gokart import PandasTypeConfig
  from gokart.pandas_type_config import PandasTypeError
label_desc: Use image node_id 1 for calling the _DummyPandasTypeConfig obj's underlying member method code with example usage: obj.type_dict(cls) and returns: dict